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Revision- Science

Total questions: 55

Worksheet time: 41mins

Name
Class
Date
1.
What tool do we use to measure temperature?
a)
Thermometer
b)
Ruler
c)
Balance
d)
Magnifying Glass
2.

Which thermometers temperature is about 25° Celcius?

a)

Red

b)

green

c)

blue

d)

blue and red

3.

How do we measure temperature?

a)

In Degrees

b)

In Centimeters

c)

In Inches

d)

In Pounds

4.

What tool do we use to measure temperature?

a)

Magnifying Glass

b)

Ruler

c)

Thermometer

d)

Balance

5.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

6.

What is the food manufacturing process in plants?

a)

respiration

b)

chlorophyll

c)

glucose

d)

photosynthesis

7.

True or False: Plants make their own food and use the energy from the food that is made.

a)

True

b)

False

8.

Where do the leaves and stems of plants get their green color from?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

chlorophyll

9.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
10.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
11.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
12.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

oxygen + light + water --> carbon dioxide + sugar

c)

carbon dioxide + sugar + water --> oxygen + light

d)

carbon dioxide + oxygen + water --> Light+ Sugar

13.

      In which organisms does photosynthesis happen?

a)

Animals

b)

Plants and Animals

c)

Plants

d)

none of the above

14.

Which of these pairs represents the reactants of photosynthesis?

a)

Oxygen and water

b)

Glucose and oxygen

c)

Water and glucose

d)

Carbon dioxide and water

15.

Which of these pairs represents the products of photosynthesis?

a)

Oxygen and water

b)

Glucose and oxygen

c)

Water and glucose

d)

Carbon dioxide and water

16.
What are the products of the chemical reaction pictured?
a)
CH4 and CO2
b)
CH4 and O2
c)
CO2 and H2O
d)
O2 and H2O
17.
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
18.
What is the left part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
19.
What is the right part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
20.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
21.
Identify the reactant(s) and product(s) of the reaction.
a)
All three are reactants and none are products.
b)
Hydrogen and water are the reactants, and oxygen is the product.
c)
Water and oxygen are the reactants, and hydrogen is the product.
d)
Hydrogen and oxygen are the reactants, and water is the product.
22.
The reactants are on the left side of the chemical equation.
a)
True
b)
False
23.

In general, girls enter puberty

a)

at the age of 12

b)

at the same time as boys

c)

later than boys

d)

earlier than boys

24.
Everyone goes through puberty at the same speed. 
a)
True
b)
False
25.

What causes puberty to occur

a)

No one knows

b)

Hormones

c)

Nerve impulses

d)

Enzymes

26.
The reproductive cell of the mother is called an egg or an ____________.
a)
embryo
b)
sperm
c)
ovum
d)
fetus
27.
 Physical changes that happen during adolescence are __________________.
a)
Grow taller
b)
grow more body hair
c)
increased body odor
d)
all of the above
28.
Adolescence usually occurs somewhere between the ages _____________.
a)
8-10
b)
10-12
c)
11-16
d)
16-20
29.

Which type of pathogen includes yeasts and molds?

a)

Virus

b)

Bacteria

c)

Parasite

d)

Fungi

30.

In what way is malaria usually transmitted to humans?

a)

Contaminated food or water

b)

Insect bite

c)

Direct contact

d)

Indirect contact

31.

True or False: Some vIruses and bacteria that live in food, water, and soil can cause disease.

a)

True

b)

False

32.

What is an infectious disease?

a)

A disease that cannot be spread to others.

b)

A disease that can be spread to others.

c)

A disease that can only be spread by mosquitoes.

d)

A disease that can be caused by disinfectants.

33.

What are germs?

a)

Animals such as cockroaches and rats.

b)

Rotten food.

c)

Harmful micro-organisms.

d)

Viruses.

34.

A/an ________ is an injection of a weakened form of a pathogen to help the individual gain immunity from a disease.

a)

Virus

b)

Vacuum

c)

Vaccine

d)

Antibiotic

35.

solute + solvent =

a)

solution

b)

equation

36.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
37.
a)

solvent

b)

solute

38.
a)

solvent

b)

solute

39.

Solutes dissolve quicker in _________ water.

a)

cold

b)

warm

40.

Cooking an egg is a..

a)

Irreversible

b)

Reversible

c)

Changes

41.

Melting chocolate is a....

a)

Irreversible

b)

Reversible

c)

Changes

42.

Irreversible changes cannot go backwards

a)

True

b)

False

43.

Reversible changes can change back to its original form....

a)

True

b)

False

44.

When orange juice is frozen to make popsicles, can the popsicles change back to orange juice?

a)

Yes

b)

No

45.

Which of these is NOT an irreversible change?

a)

Burning

b)

Melting

c)

Rusting

46.

Blood vessel that carries oxygenated blood to the body:

a)

Vein

b)

Artery

47.

What makes up the circulatory system?

a)

The lungs and the digestive tract

b)

The brain

c)

The liver and the pancreas

d)

The heart and blood vessels

48.

Blood vessels that carry blood back to your heart are called 

a)

Arteries

b)

Veins

c)

Capillaries

d)

intestine

49.

Material that allows electricity to pass through it is ....

a)

conductor

b)

conducting

c)

insulating

d)

insulator

50.

The part of the lamp that produces light is ....

a)

glass

b)

metal

c)

filament

d)

wire

51.

 A great conductor of electricity is:

a)

wood

b)

plastic

c)

metal

d)

cloth

52.

Which of the following materials do you think it would be safe to wrap the outside of a switch in?

a)

Gold

b)

Copper

c)

Silver

d)

Plastic

53.

Which of the following would be the best material to use for electric wires?

a)

Copper

b)

Glass

c)

Plastic

54.

Is it a Conductor or Insulator?

a)

Conductor

b)

Insulator

55.

Is it a Conductor or Insulator?

a)

Conductor

b)

Insulator

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